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CC334G Bronze vs. C87900 Brass

Both CC334G bronze and C87900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC334G bronze and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 5.6
25
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 810
480
Tensile Strength: Yield (Proof), MPa 410
240

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 240
130
Melting Completion (Liquidus), °C 1080
930
Melting Onset (Solidus), °C 1020
900
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 41
120
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 59
46
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
100
Resilience: Unit (Modulus of Resilience), kJ/m3 710
270
Stiffness to Weight: Axial, points 8.1
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 28
17
Strength to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 11
37
Thermal Shock Resistance, points 28
16

Alloy Composition

Aluminum (Al), % 10 to 12
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 72 to 84.5
63 to 69.2
Iron (Fe), % 3.0 to 7.0
0 to 0.4
Lead (Pb), % 0 to 0.050
0 to 0.25
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 2.5
0 to 0.15
Nickel (Ni), % 4.0 to 7.5
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.2
0 to 0.25
Zinc (Zn), % 0 to 0.5
30 to 36